a 29.5 ml sample of 0.50 M HCL was titrated with 100ml of NH3. Determine the concentration of the unknown.

How will the emission of an alpha particle affect the atomic number of an atom

One does not belong why? ice, gold ,wood ,diamond and table salt

6what is the importance of water on earth? a) it keeps the top layer of the geosphere cool b) it allows life to exist c) it provides ice at the poles d) it creates earth's blue color from space